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189<br />

= X + Y-(x•x) -1 HIll(x'x) - liri I (HX + Y -h)<br />

=fr- (X'X) -1 HIH(X'Xy l<br />

(Hfr-h)<br />

(Y - X;0)'(Y - X;6)+(H)3- hy{H(X'X) -1 H1 1 (Hfr-12)<br />

î:y2 =<br />

Q<br />

4.<br />

(H;q-- hy[H(X'X) -1 (163- h)<br />

bulunur. Böylece,<br />

ve<br />

?s2<br />

u( )7\ _ Nn/2<br />

Cr2<br />

ry<br />

olmak tızere,<br />

W(Y)=<br />

]<br />

a2<br />

- -2<br />

ıı - p .._ a, Q il - II<br />

. q - . q<br />

S)<br />

Ve<br />

W(Y)=<br />

(H -ft- h) , [H(X'X) - - 111-- ı (H/3-h) n _ p<br />

Y (I-XX + )Y<br />

• q<br />

W(Y)-<br />

(q,n-p,1= --! -(11,6-h)111(X Ş X) -1 111 -1 (IIfl-h))<br />

2 o-2 -<br />

elde edilir. Buradaki W(Y) istatisti ğinin önceki k ıs ımdakinin ayn ıs ı olduğu<br />

i şlemler yaparak da gösterilebilir.(Problem 4.5)

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